Senior AI System Engineer
Design and implement end-to-end LLM and multi-agent architectures for enterprise clients across cloud and edge environments. Lead AI governance, monitoring, and R&D initiatives while mentoring other engineers.
Callstack
Remote Job Openings at Callstack (3)
Senior React Native Developer
Act as a technology consultant to help clients build cross-platform products and solve complex programming issues. Collaborate with global teams and contribute to the Open Source community and R&D activities.
Head of Customer Success
The Head of Customer Success will own and scale a 150–200M PLN revenue portfolio while leading a team of 3–5 Account Managers. They will act as a strategic bridge between client business needs and technical innovation to drive long-term partnerships and revenue growth.